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"""Defines enum keys used by the keras uplift modeling library."""
import enum


class StrEnum(str, enum.Enum):
  """An Enum represented by a string."""


class TwoTowerPredictionKeys(StrEnum):
  """Keys for prediction tensors."""

  UPLIFT = "uplift_predictions"
  CONTROL = "control_predictions"
  TREATMENT = "treatment_predictions"
